T-Systems Iberia is seeking an Expert Customer Billing & Invoice Operations Specialist to manage the end-to-end order-to-cash process for cloud offerings. You will ensure accurate invoicing, coordinate with Finance, Sales, and Delivery, and act as SME for governance and financial steering across international units.The role requires deep knowledge of O2C, cloud billing, and commercial processes, with strong German and English proficiency at C1 level.#J-18808-Ljbffr